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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| SIP, CAS, CS | 2013-03-15 10:15 |
Yamagata | Keio Univ. Tsuruoka Campus (Yamagata) | Interference Lump-sum Compensation Scheme using the Parallel Replica Signals for SP-MIMO/OFDM in the Large Delay Spread Channel Taichi Sakaue, Chang-Jun Ahn, Tatsuya Omori, Ken-ya Hashimoto (Chiba Univ)  CAS2012-134 SIP2012-165 CS2012-140 |
In mobile communications, MIMO-OFDM system performance suffers severe degradation caused by the large delay spread chann... [more] | CAS2012-134 SIP2012-165 CS2012-140 pp.219-222 |
| CAS, CS, SIP | 2012-03-08 09:40 |
Niigata | The University of Niigata | A Design of Single Symbol Decodable QO-STBC with Full Diversity Naotoshi Yoda, Chang-Jun Ahn, Tatsuya Omori, Ken-ya Hashimoto (Chiba Univ.) CAS2011-121 SIP2011-141 CS2011-113 |
The conventional quasi-orthogonal space-time block code (QO-STBC) for four transmit antennas is full rate, but achieves ... [more] | CAS2011-121 SIP2011-141 CS2011-113 pp.83-86 |
| CAS, CS, SIP | 2012-03-08 10:05 |
Niigata | The University of Niigata | ISI and ICI Compensation with Large Delay Spread Channel Estimation based on Pilot Symbol's Cyclic Property for SP-OFDM Taichi Sakaue, Chang-Jun Ahn, Tatsuya Omori, Ken-ya Hashimoto (Chiba Univ) CAS2011-122 SIP2011-142 CS2011-114 |
Scattered pilot based OFDM can accuretely estimate the channel state information (CSI) with small number pilot signals u... [more] | CAS2011-122 SIP2011-142 CS2011-114 pp.87-91 |
| CAS, CS, SIP | 2012-03-08 10:30 |
Niigata | The University of Niigata | Complexity Reducing QRD-MLD with Threshold Method based on the Estimated Noise Variance Tomoki Yoshimura (Chiba Univ.), Yuta Ida (Hiroshima City Univ.), Chang-Jun Ahn, Tatsuya Omori, Ken-ya Hashimoto (Chiba Univ.) CAS2011-123 SIP2011-143 CS2011-115 |
[more] | CAS2011-123 SIP2011-143 CS2011-115 pp.93-96 |
| CAS, CS, SIP | 2012-03-09 09:25 |
Niigata | The University of Niigata | Optimum Splitting Transmission in Multi-Relay Cooperative Communications for WF/PA-SC-FDMA Yuta Ida (Hiroshima City Univ.), Chang-Jun Ahn (Chiba Univ.), Takeshi Kamio, Hisato Fujisaka, Kazuhisa Haeiwa (Hiroshima City Univ.), Tatsuya Omori, Ken-ya Hashimoto (Chiba Univ.) CAS2011-135 SIP2011-155 CS2011-127 |
[more] | CAS2011-135 SIP2011-155 CS2011-127 pp.157-160 |
| CAS, CS, SIP | 2012-03-09 09:50 |
Niigata | The University of Niigata | Development of RF Energy Harvesting and Charging Circuits for Low Power Mobile Devices Chang-Jun Ahn (Chiba Univ.) CAS2011-136 SIP2011-156 CS2011-128 |
[more] | CAS2011-136 SIP2011-156 CS2011-128 pp.161-164 |
| US | 2011-09-26 16:15 |
Miyagi | Tohoku Univ. | Modification of Scalar Potential Theory for Surface Acoustic Wave Devices to Take Slowness Asymmetry into Account Ken-ya Hashimoto, Tatsuya Omori, Chang-Jun Ahn (Chiba Univ.) US2011-51 |
[more] | US2011-51 pp.27-30 |
| SR | 2011-07-29 09:25 |
Kanagawa | YRP | Study on RF Recursive Filter and Its Tuning Method Shin'ichiro Nishiuma, Tatsuya Omori, Chang-Jun Ahn, Ken-ya Hashimoto (Chiba Univ.), Mikio Kamada (AKM) SR2011-37 |
This paper discuss the control method of the tunable RF recursive filter. We modelize the band pass filter(BPF) with... [more] |
SR2011-37 pp.129-133 |
| CS, SIP, CAS | 2011-03-03 10:20 |
Okinawa | Ohhamanobumoto memorial hall (Ishigaki)( | Path-Selection based adaptive guard interval for TFI-OFDM system Tomoki Yoshimura, Chang-Jun Ahn, Tatsuya Omori, Ken-ya Hashimoto (Chiba Univ) CAS2010-106 SIP2010-122 CS2010-76 |
[more] | CAS2010-106 SIP2010-122 CS2010-76 pp.25-30 |
| CS, SIP, CAS | 2011-03-03 14:50 |
Okinawa | Ohhamanobumoto memorial hall (Ishigaki)( | Non-linear channel compensation method for OFDM under fast fading channel Shogo Soejima, Chang-Jun Ahn, Tatsuya Omori, Ken-ya Hashimoto (Chiba Univ) CAS2010-116 SIP2010-132 CS2010-86 |
[more] | CAS2010-116 SIP2010-132 CS2010-86 pp.85-89 |
| CS, SIP, CAS | 2011-03-03 15:20 |
Okinawa | Ohhamanobumoto memorial hall (Ishigaki)( | Prototype of 5.8GHz Wireless Power Transmission System for Electric Vehicle System Chang-Jun Ahn (Chiba Univ.) CAS2010-138 SIP2010-154 CS2010-108 |
[more] | CAS2010-138 SIP2010-154 CS2010-108 pp.215-218 |
| CS, SIP, CAS | 2011-03-03 15:40 |
Okinawa | Ohhamanobumoto memorial hall (Ishigaki)( | Maritime VHF communications with polarization diversity over a Rician channel Chang-Jun Ahn (Chiba Univ.) CAS2010-139 SIP2010-155 CS2010-109 |
[more] | CAS2010-139 SIP2010-155 CS2010-109 pp.219-222 |
| NLP | 2010-03-09 10:20 |
Tokyo | Finding Course of Ships by Multi-Agent Reinforcement Learning with A Priori Knowledge Takeshi Kamio (Hiroshima City Univ.), Kunihiko Mitsubori (Takusyoku Univ.), Takahiro Tanaka (Japan Coast Gurad Academy), Chang-Jun Ahn, Hisato Fujisaka, Kazuhisa Haeiwa (Hiroshima City Univ.) NLP2009-161 |
[more] | NLP2009-161 pp.21-26 |
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| SIP, CAS, CS | 2010-03-02 11:10 |
Okinawa | Hotel Breeze Bay Marina, Miyakojima | Performance Evaluation of Coherent Optical OFDM with Punctured LDPC Codes for Various Laser Line-width and Modulation Levels Chang-Jun Ahn, Hisato Fujisaka, Kazuhisa Haeiwa (Hiroshima City Univ.) CAS2009-114 SIP2009-159 CS2009-109 |
Recently, coherent optical OFDM (CO-OFDM) has been proposed in optical network to combat chromatic dispersion. CO-OFDM s... [more] | CAS2009-114 SIP2009-159 CS2009-109 pp.209-214 |
| NLP | 2010-01-22 10:30 |
Gifu | Sorter-based Sigma-Delta Domain Exponential and Logarithm Circuits Hisato Fujisaka, Takeshi Kamio, Chang-Jun Ahn, Kazuhisa Haeiwa (Hiroshima City Univ.) NLP2009-150 |
We will show first in this report an exponential circuit operating in sigma-delta domain. The circuit is based on a sort... [more] | NLP2009-150 pp.59-64 |
|
| CS | 2009-11-05 09:50 |
Hokkaido | Hokkaido Shikotsuko | Reinforced Multiuser Diversity Using Frequency Symbol Spreading and Adaptive Subcarrier Block Selection for OFDMA Chang-Jun Ahn (Hiroshima City Univ.) CS2009-44 |
[more] | CS2009-44 pp.13-18 |
| CAS, NLP | 2009-09-25 13:50 |
Hiroshima | Hiroshima Univ. Higashi Senda Campus | A Single-Electron Bandpass Digital Wave Filter Takashi Yasuno, Hisato Fujisaka, Takeshi Kamio, Chang-Jun Ahn, Kazuhisa Haeiwa (Hiroshima City Univ.) CAS2009-44 NLP2009-80 |
This paper presents a sigma-delta domain bandpass digital filter built by using single-electron tunneling (SET) devices.... [more] | CAS2009-44 NLP2009-80 pp.115-119 |
| NLP | 2009-08-03 10:20 |
Kochi | Ising Spin-Grass Error Correction for Unreliable Nanoelectronic Logic Circuits Yasuhiro Okada, Hisato Fujisaka, Takeshi Kamio, Chang-Jun Ahn, Kazuhisa Haeiwa (Hiroshima City Univ.) NLP2009-45 |
This paper presents a fault and defect tolerance technique based on Ising spin-glass (ISG) for nanoelectronic logic circ... [more] | NLP2009-45 pp.7-12 |
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| NLP | 2009-03-11 14:25 |
Kyoto | ARTMAP with Anti-Supervised Learning Genki Kawahara, Shohei Sugeo, Takeshi Kamio, Chang-Jun Ahn, Hisato Fujisaka, Kazuhisa Haeiwa (Hiroshima City Univ) NLP2008-166 |
[more] | NLP2008-166 pp.87-92 |
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| NLP | 2009-03-11 14:50 |
Kyoto | Reinforcement Learning to Find the Course of Multi-Ships Shohei Sugeo, Takeshi Kamio (Hiroshima City Univ.), Kunihiko Mitsubori (Takushoku Univ.), Takahiro Tanaka (Japan Coast Guard Academy), Chang-Jun Ahn, Hisato Fujisaka, Kazuhisa Haeiwa (Hiroshima City Univ.) NLP2008-167 |
[more] | NLP2008-167 pp.93-98 |
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